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47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
//
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// MFMSectorDump.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 30/09/2017.
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// Copyright 2017 Thomas Harte. All rights reserved.
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//
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#pragma once
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#include "../DiskImage.hpp"
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#include "../../../FileHolder.hpp"
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#include "../../Encodings/MFM/Constants.hpp"
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#include <string>
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namespace Storage::Disk {
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/*!
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Provides the base for writeable [M]FM disk images that just contain contiguous sector content dumps.
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*/
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class MFMSectorDump: public DiskImage {
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public:
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MFMSectorDump(const std::string &file_name);
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bool is_read_only() const;
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bool represents(const std::string &) const;
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void set_tracks(const std::map<Track::Address, std::unique_ptr<Track>> &tracks);
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std::unique_ptr<Track> track_at_position(Track::Address) const;
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protected:
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mutable Storage::FileHolder file_;
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void set_geometry(int sectors_per_track, uint8_t sector_size, uint8_t first_sector, Encodings::MFM::Density);
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private:
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virtual int head_count() const = 0;
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virtual HeadPosition maximum_head_position() const = 0;
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virtual long get_file_offset_for_position(Track::Address) const = 0;
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int sectors_per_track_ = 0;
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uint8_t sector_size_ = 0;
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Encodings::MFM::Density density_ = Encodings::MFM::Density::Single;
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uint8_t first_sector_ = 0;
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};
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}
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